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Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...

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Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation
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Intrapulmonary lymph nodes: computed tomography findings with histopathologic correlations.

Chih-Wei Wang1, Yun-Hui Teng, Chen-Chih Huang

  • 1Department of Anatomic Pathology, Chang Gung Memorial Hospital, Linkou, Chang Gung University College of Medicine, Tao-Yuan, Taiwan.

Clinical Imaging
|October 30, 2012
PubMed
Summary

Computed tomography (CT) imaging can identify intrapulmonary lymph nodes (IPLNs). These IPLNs often appear angular and solid, located in the subpleural region, and may show linear opacities, aiding in their diagnosis.

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Published on: May 2, 2011

Area of Science:

  • Radiology
  • Thoracic Imaging
  • Pulmonary Medicine

Background:

  • Intrapulmonary lymph nodes (IPLNs) are uncommon findings.
  • Accurate identification of IPLNs on computed tomography (CT) is crucial for differential diagnosis.

Purpose of the Study:

  • To retrospectively assess the CT features of intrapulmonary lymph nodes (IPLNs).
  • To correlate CT findings with histopathologic data for improved diagnostic accuracy.

Main Methods:

  • Retrospective analysis of CT scans from 31 patients with histopathologically confirmed IPLNs.
  • Detailed evaluation of IPLN location, shape, texture, and associated findings like linear opacities.

Main Results:

  • IPLNs were predominantly located in the subpleural region, below the carina, and were angular in shape.
  • Most IPLNs exhibited a solid texture, with some showing a ground-glass appearance.
  • Linear opacities were observed: one or more for pleura-attached IPLNs and three or more for pleura-separated IPLNs.
  • Histological analysis confirmed IPLN locations at the junction of pleura and lung lobules or adjacent lung lobules.

Conclusions:

  • CT features, including location, shape, texture, and associated linear opacities, are characteristic of IPLNs.
  • Understanding these CT findings aids in differentiating IPLNs from other pulmonary nodules.